1.

According to Newton?s law of cooling, the rate of cooling of a body is proportional to \[{{(\Delta \theta )}^{n}}\], where \[\Delta \theta \] is the difference of the temperature of the body and the surroundings, and n is equal to                                                                        [AIEEE 2003]

A.            One                                         
B.            Two
C.            Three                                      
D.            Four
Answer» B.            Two


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